reported in syria's main cities, aleppo and damascus. let's go to neighboring lebanon. mohammed, first of all, you look at these pictures. i mean, we see the demolition is taking place. displacement. it really does remind you of what happened 30 years ago when you had syrian president bashar al assad's father brutally suppressing a revolt in that very same city. >> reporter: well, that's right, suzanne. that's what we've heard from residents in hama that are being affected by this. the massacre that happened here 30 years ago is still very much fresh in the minds of residents in hama, and they are concerned that what's happening now might be a precursor it a repeat of that. now, in 1982 you had syrian security forces at the orders of al assad, his father, putting done a revolt there. there were never any official numbers, but estimates ranging from between 3,000 to maybe 40,000 people, casualties, of that revolt that was put down by the government. now, you have this campaign. activists are saying it is system mattic displacement that the syrian regime is going in there. tanks have sti